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authorpatrick <patrick@openbsd.org>2017-01-14 19:55:43 +0000
committerpatrick <patrick@openbsd.org>2017-01-14 19:55:43 +0000
commitbd3306aecb3a15e8967143b8cdbbccf2b1b19b74 (patch)
tree309a8132b44564b9e634c0da6815187ce8eab27c /gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
parentkillp -a should not kill the window if only one pane. (diff)
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Import LLVM 3.9.1 including clang and lld.
Diffstat (limited to 'gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp')
-rw-r--r--gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp b/gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
index 878eeeed0f6..1efc440cd70 100644
--- a/gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
+++ b/gnu/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
@@ -8,7 +8,11 @@
//===----------------------------------------------------------------------===//
//
// This file contains the custom lowering code required by the shadow-stack GC
-// strategy.
+// strategy.
+//
+// This pass implements the code transformation described in this paper:
+// "Accurate Garbage Collection in an Uncooperative Environment"
+// Fergus Henderson, ISMM, 2002
//
//===----------------------------------------------------------------------===//